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104 lines
2.9 KiB
104 lines
2.9 KiB
#!/usr/bin/env python2
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# Python testing tool for establishing calls via the OsmoNITB MNCC
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# interface.
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#
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# (C) 2015 by Harald Welte <laforge@gnumonks.org>
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#
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# Licensed under GNU General Public License, Version 2 or at your
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# option, any later version.
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from gsm_call_fsm import GsmCallFsm, GsmCallConnector, GSM48
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from mncc_sock import MnccSocket
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from thread import start_new_thread
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import pykka
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import logging as log
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import signal, sys, time
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import readline, code
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import time
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# MnccActor provides an interface for GsmCallFsm to send MNCC messages
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class MnccActor(pykka.ThreadingActor):
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def __init__(self, mncc_sock):
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super(MnccActor, self).__init__()
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self.mncc_sock = mncc_sock
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def on_receive(self, message):
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if message['type'] == 'send':
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msg = message['msg']
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log.debug('MnccActor TxMNCC %s' % msg)
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mncc_sock.send(msg)
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else:
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raise Exception('mncc', 'MnccActor Received unhandled %s' % message)
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# MNCC receive thread, broadcasting received MNCC packets to GsmCallFsm
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def mncc_rx_thread(mncc_sock):
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while 1:
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msg = mncc_sock.recv()
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if msg.is_frame():
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log.warning("Dropping traffic frame: %s" % msg)
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continue
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log.debug("MnccActor RxMNCC %s, broadcasting to Call FSMs" % msg)
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# we simply broadcast to all calls
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pykka.ActorRegistry.broadcast({'type': 'mncc', 'msg': msg}, GsmCallFsm)
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# capture SIGINT (Ctrl+C) and stop all actors
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def sigint_handler(signum, frame):
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pykka.ActorRegistry.stop_all()
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sys.exit(0)
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log.basicConfig(level = log.DEBUG,
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format = "%(levelname)s %(filename)s:%(lineno)d %(message)s")
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signal.signal(signal.SIGINT, sigint_handler)
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# start the MnccSocket and associated pykka actor + rx thread
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mncc_sock = MnccSocket()
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mncc_act = MnccActor.start(mncc_sock)
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start_new_thread(mncc_rx_thread, (mncc_sock,))
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# convenience wrapper
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def connect_call(msisdn_a, msisdn_b, rtp_bridge = True, codecs = GSM48.AllCodecs):
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call_conn = GsmCallConnector.start(mncc_act, rtp_bridge, codecs).proxy()
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call_conn.start_call_ab(msisdn_a, msisdn_b)
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return call_conn
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def calls(nr, ramp=1.0):
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if (nr & 1):
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print('Only even numbers allowed, because each invocation has two call legs')
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return
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nr /= 2
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for i in range(nr):
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a = 90001 + 2*i
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b = a + 1
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a = str(a)
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b = str(b)
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print('%d: connect_call(%r, %r)' % (i, a, b))
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connect_call(a, b)
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time.sleep(ramp)
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# start a first bogus call
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log.info("")
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log.info("")
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log.info("Start calls by typing:")
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log.info(' c = connect_call("90001", "90002")')
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log.info(' c.release()')
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log.info('or')
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log.info(' calls(200)')
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log.info("")
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log.info("")
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# start a shell to enable the user to add more calls as needed
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vars = globals().copy()
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vars.update(locals())
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shell = code.InteractiveConsole(vars)
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try:
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shell.interact()
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except SystemExit:
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pass
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# clan up after user leaves interactive shell
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sigint_handler(signal.SIGINT, None)
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